<?php
class Kd_Data_Dcl_Expression_Select_Field extends Kd_Data_Dcl_Expression_Field{

	private $_alias = '';
	
	public function __construct($expString, $alias = ''){
		parent::__construct($expString);
        $this->_alias = $alias;
	}
	
	public function getAlias(){
		return $this->_alias;
	}
	public function setAlias($value){
		$this->_alias = $value;
		return $this;
	}
	
	public function getExpressionType(){
		return 'selectField';
	}
}